If you find this disgusting, you're missing the point.

In this clip spotted by Laughing Squid, Bill Gates - formerly of Microsoft, now of Saving The Planet - takes a look at the Janicki Omniprocessor (which Gates is helping fund), which sounds like something out of a sci-fi version of SimCity, but as you can see is a machine that already exists and already works.

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It's designed to take human waste and boil it. The water vapours are captured, filtered and dispensed as 100% clean drinking water, while the solid matter is burned, which powers a steam engine that generates electricity.

The idea is that they'll be useful in places lacking in decent water treatment facilities. Or SimCity expansion packs.